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Great Transitions Interactive | HHMI BioInteractive

Great Transitions Interactive | HHMI BioInteractive

The evolution of four-limbed animals, or tetrapods, from fish is a dramatic example of one of the great evolutionary transitions in the history of life. Explore transitional forms with features of both fish and tetrapods, and see the progression of anatomical changes from reconstructed fossil skeletons.

An accompanying worksheet is provided to guide students’ exploration of the Click and Learn.




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